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Fusioolithus baghensis
Taxonomy
Megaloolithus baghensis was named by Khosla and Sahni (1995). It is considered to be a form taxon. Its type specimen is VPL/KH 551, an egg, and it is a trace fossil. Its type locality is Bagh Caves, which is in a Maastrichtian terrestrial limestone in the Lameta Formation of India.
It was synonymized subjectively with Megaloolithus phensaniensis by Mohabey (2001); it was recombined as Fusioolithus baghensis by Fernández and Khosla (2015), Fernández (2016), Khosla (2021), Khosla and Lucas (2023) and Dhiman et al. (2023).
It was synonymized subjectively with Megaloolithus phensaniensis by Mohabey (2001); it was recombined as Fusioolithus baghensis by Fernández and Khosla (2015), Fernández (2016), Khosla (2021), Khosla and Lucas (2023) and Dhiman et al. (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Megaloolithus baghensis Khosla and Sahni pp. 91-92 |
| 1996 | Megaloolithus baghensis Loyal et al. p. 631 |
| 1997 | Megaloolithus pseudomamillare Vianey-Liaud et al. p. 78 fig. 1.1–3 |
| 1997 | Megaloolithus pseudomamillare Vianey-Liaud and López-Martínez p. 1167 |
| 1998 | Megaloolithus balasinorensis Mohabey pp. 357-358 figs. 7H-K, 8A-B |
| 1998 | Megaloolithus trempii Moratalla p. 30 |
| 2001 | Megaloolithus pseudomamillare Garcia and Vianey-Liaud |
| 2002 | Megaloolithus baghensis Cousin p. 49 |
| 2003 | Megaloolithus pseudomamillare Grellet-Tinner et al. p. 57A |
| 2003 | Megaloolithus baghensis Khosla and Sahni p. 900 |
| 2003 | Megaloolithus baghensis Vianey-Liaud and Garcia p. 177 |
| 2003 | Megaloolithus baghensis Vianey-Liaud et al. p. 583 |
| 2005 | Megaloolithus pseudomamillare Bravo et al. p. 55 |
| 2005 | Megaloolithus balasinorensis Mohabey p. 473 |
| 2006 | Patagoolithus salitralensis Simón p. 521 fig. 3.G–L |
| 2006 | Megaloolithus pseudomammilare Simón p. 524 |
| 2007 | Megaloolithus pseudomamillare Grellet-Tinner and Zaher p. 105 |
| 2008 | Megaloolithus pseudomammilare Suñer et al. p. 411 |
| 2012 | Megaloolithus baghensis Prasad p. 606 |
| 2013 | Megaloolithus pseudomamillare Chassagne-Manoukian et al. p. 376 |
| 2013 | Megaloolithus baghensis Fernández p. 90 |
| 2013 | Megaloolithus balasinorensis Fernández p. 90 |
| 2013 | Patagoolithus salitralensis Fernández p. 90 |
| 2013 | Megaloolithus baghensis Sellés et al. p. 16 |
| 2013 | Megaloolithus baghensis Sellés and Vila p. 123 |
| 2014 | Megaloolithus baghensis Sellés et al. p. 46 |
| 2015 | Fusioolithus baghensis Fernández and Khosla p. 168–169 |
| 2015 | Megaloolithus baghensis Sellés and Vila p. 138 |
| 2016 | Fusioolithus baghensis Fernández p. 93 |
| 2017 | Megaloolithus baghensis Lakra and Aglawe p. 50 |
| 2018 | Megaloolithus balsinorensis Aglawe and Lakra p. 195 |
| 2021 | Fusioolithus baghensis Khosla p. 1438 |
| 2023 | Fusioolithus baghensis Dhiman et al. p. 2 |
| 2023 | Fusioolithus baghensis Khosla and Lucas p. 728 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Fusioolithus baghensis Khosla and Sahni 1995
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Invalid names: Megaloolithus balasinorensis Mohabey 1998 [synonym], Megaloolithus pseudomamillare Vianey-Liaud et al. 1997 [synonym], Megaloolithus trempii Moratalla 1998 [synonym], Patagoolithus salitralensis Simón 2006 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Vianey-Liaud et al. 1997 (Megaloolithus pseudomamillare) | As for Megaloolithus mamillare, however, differs in the following: frequently coalescing nodes; limits of the short fan-shaped units not always traceable, generally clear in the inner half or third of the shell thickness; growth striations often continuing across adjacent units, often horizontal at the base of the units and becoming more and more convex upwards; pore canals generally straight with a few of them being oblique (figure); shell thickness from 1,03 to 1,6 mm. | |
| M. E. Simón 2006 (Patagoolithus salitralensis) | La misma que la del género. | |
| A. G. Sellés and B. Vila 2015 | Spherical eggs 140–200 mm in diameter; nodes ornamentation, eggshell 1.0–1.70 mm thick; average node diameter about 0.60 mm; fan-shaped spheroliths distinct or even partially fused; height/width ratio 2.32:1; pore subcircular to elliptical; swollen-ended, variably spaced basal caps (0.2–0.3 mm in diameter). | |
| M. S. Fernández and A. Khosla 2015 | Spherical eggs 140–200 mm in diameter; nodose ornamentation, eggshell 1.0–1.70 mm thick;average node diameter about 0.60 mm; fan-shaped spheroliths distinct or even partially fused; height/width ratio 2.32:1; pore subcircular to elliptical; swollen-ended variably spaced basal caps (0.2–0.3 mm in diameter) (Figure 4(a)–(c)). |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Maastrichtian to the top of the Ypresian or 72.10000 to 47.80000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Spain (Cataluña) | Megaloolithus trempii (113013) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Faveoloolithidae indet. (96105 96106) Fusioolithus baghensis (96097 96098) Megaloolithidae indet. (96090) Titanosauridae indet. (32370) | |
| Middle Campanian - Early/Lower Maastrichtian | Peru (Amazonas) | Dinosauria indet. (52842) Megaloolithus pseudomamillare (52839) | |
| Maastrichtian | India (Madhya Pradesh) | Fusioolithus baghensis (219358 229045 229047 229048 229049) Megaloolithus baghensis (68167 75493 219352) | |
| Maastrichtian | France | Megaloolithus pseudomamillare (61622) | |
| Maastrichtian | India (Gujarat) | Dinosauria indet. (178974) Sauropoda indet. (61608 61611) | |
| Maastrichtian | India (Maharashtra) | Sauropoda indet. (60397) | |
| Early/Lower Maastrichtian | Spain (Cataluña) | Megaloolithus baghensis (32322 74526 167945 171098) Megaloolithus pseudomamillare (38677 183160 183161) Megaloolithus sp. (169870 171124) Megaloolithus trempii (36380 36728 36731) | |
| Late/Upper Maastrichtian | India (Maharashtra) | Dinosauria indet. (58102) | |
| Late/Upper Maastrichtian | Spain (Cataluña) | Dinosauria indet. (55390) Megaloolithus baghensis (148950 226201) Megaloolithus sp. (169875) | |
| Late/Upper Maastrichtian | France (Provence-Alpes-Côte d'Azur) | Megaloolithus mamillare (61624) | |
| Late/Upper Maastrichtian | India (Gujarat) | Megaloolithus baghensis (60170) | |
| Thanetian - Ypresian | Peru (Puno) | Ornithopoda indet. (28230) |